positive arc正弧positiveadj.积极的；肯定的；明确的；正面的；正数的；阳性的n.正面；正数；正片；[语]原级positive mental capital积极心理资本positive discrimination积极区别对待positive real functions正实部函数positive balance method正平衡法positive pulse stuffing正脉冲填充(法)Positive Locking System绝对锁定系统positive relief pattern积极救济模式positive collector grid正极集电栅positive contact member强制接触件Positive Control Routes绝对控制路线